This shows that a xylose isomerase gene was missing in the yeast, and cloning of this gene from other organisms might make the yeast ferment xylose directly.

这表明，它缺少异构酶基因，如果将其它微生物的这种基因克隆到酵母中去，它就能直接发酵木糖。

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This shows that a xylose isomerase gene was missing in the yeast, and cloning of this gene from other organisms might make the yeast ferment xylose directly.

这表明，它缺少异构酶基因，如果将其它微生物的这种基因克隆到酵母中去，它就能直接发酵木糖。

youdao